Whoever, at any sale of property held by the lawful authority of a public servant, as such, purchases or bids for any properly on account of any person, whether himself or any other, whom he knows to be under a legal incapacity to purchase that properly at that sale, or bids for such property not intending to perform the obligations under which he lays himself by such bidding, shall be punished with imprisonment of either description for a term which may extend to one month, or with fine which may extend to two hundred rupees, or with both.